The CDC study found the Tips From Former Smokers campaign added more than a third of 1 million years of life to the U.S. population.

Health officials in Arkansas said the campaign resulted in 3,908 calls to Arkansas Tobacco Quitline.

"We are very pleased that this national campaign encouraged Arkansans to use our Quitline. It is an important resource for those trying to quit smoking," Arkansas Department of Health representative Gary Wheeler said.

Hillary Clinton did not have a State Department email account while she served as America's top diplomat, a senior state department official said Monday, and instead used a personal email account during her four years on the job.